diff --git a/engine/src/renderer.cpp b/engine/src/renderer.cpp
deleted file mode 100644
index e69de29..0000000
diff --git a/engine/src/renderer.hpp b/engine/src/renderer.hpp
deleted file mode 100644
index 2360362..0000000
--- a/engine/src/renderer.hpp
+++ /dev/null
@@ -1,3 +0,0 @@
-#pragma once
-
-namespace sophia {}  // namespace sophia